“This behavior is opposed to the Church’s teachings on the dignity and respect of the human person,” the assertion mentioned.

The college’s web site and Facebook web page had been down as of Saturday afternoon.

The encounter grew to become the most recent touchpoint for racial tensions in America, significantly below Mr. Trump, who has painted immigrants in broad strokes as rapists and drug sellers and just lately mocked Senator Elizabeth Warren with a reference to Wounded Knee and Little Bighorn, sacred floor for Native Americans whose ancestors fought and died there.

Across the nation, Mr. Trump’s identify — and his marketing campaign for a wall on the southern border with Mexico — have been used to goad minorities, together with by highschool college students at sporting occasions.

[Read extra concerning the Wounded Knee bloodbath, the Battle of Little Bighorn and why the president invoked them to assault Senator Elizabeth Warren, a 2020 presidential candidate. And a brand new guide by David Treuer, “The Heartbeat of Wounded Knee,” reveals the historical past of American Indians as greater than victimhood.]

“This veteran put his life on the line for our country,” Representative Deb Haaland, a Democrat of New Mexico who just lately grew to become one of many first Native American girls to serve in Congress, mentioned on Twitter. “The students’ display of blatant hate, disrespect, and intolerance is a signal of how common decency has decayed under this administration. Heartbreaking.”

Sisters of Mercy, a bunch of Roman Catholic girls who take vows of poverty, chastity, obedience and repair, condemned the conduct in the movies as disturbing and bigoted. “Racism and intolerance in all forms go directly against Catholic social teaching,” the Sisters of Mercy mentioned.

In an announcement on Saturday, the Indigenous Peoples Movement recognized the person in the movies as Nathan Phillips, an Omaha elder, a veteran of the Vietnam War and the previous director of the Native Youth Alliance, a bunch that works to make sure that conventional tradition and religious methods are upheld for future generations. Mr. Phillips additionally holds an annual ceremony honoring Native American veterans in Arlington National Cemetery, the group mentioned.